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 * The contents of this file are subject to the terms of either the Universal Permissive License
 * v 1.0 as shown at http://oss.oracle.com/licenses/upl
 *
 * or the following license:
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
 * and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided with
 * the distribution.
 * 
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written permission.
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package org.openjdk.jmc.agent.jfr;

public final class VersionResolver {
	private final static JFRVersion availableJFRVersion;

	public enum JFRVersion {
		JFR, JFRNEXT, NONE
	}

	static {
		JFRVersion type = null;
		try {
			Class.forName("com.oracle.jrockit.jfr.InstantEvent"); //$NON-NLS-1$
			type = JFRVersion.JFR;
		} catch (ClassNotFoundException e) {
			try {
				Class.forName("jdk.jfr.ValueDescriptor"); //$NON-NLS-1$
				type = JFRVersion.JFRNEXT;
			} catch (ClassNotFoundException e2) {
				type = JFRVersion.NONE;
			}
		}
		availableJFRVersion = type;
	}

	private VersionResolver() {
	}

	public static JFRVersion getAvailableJFRVersion() {
		return availableJFRVersion;
	}
}
